/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundBuilderSubsystem.h
Adds node referencing the highest native class version of the given class name to the document. Returns a node handle to the created node if successful, or an invalid handle if it failed.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Audio|MetaSound|Builder", DisplayName="Add MetaSound Node By ClassName", Meta=(ExpandEnumAsExecs="OutResult")) [FMetaSoundNodeHandle](API\Plugins\MetasoundEngine\FMetaSoundNodeHandle) AddNodeByClassName ( const [FMetasoundFrontendClassName](API\Plugins\MetasoundFrontend\FMetasoundFrontendClassName) & ClassName, int32 MajorVersion, [EMetaSoundBuilderResult](API\Plugins\MetasoundEngine\EMetaSoundBuilderResult) & OutResult )